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A study of 20 worldwide financial institutions showed the correlation between their assets and pretax profit to be . At the same 0.

A study of 20 worldwide financial institutions showed the correlation between their assets and pretax profit to be .86. At the same 0.5 significance level, can we conclude that there is positive correlation in the populations?
The number of shares of Icom Inc., turned over during a month, and the price at the end of the month, are listed in the following table. Also given are the Y' calues.
Turnover (thousands of share), X Actual Price, Y Estimated Price, Y'
4 $2 $2.7
1 1 0.6
5 4 3.4
3 2 2.0
2 1 1.3
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Practice Assignment 11
 
#10 page 443
A study of 20 worldwide financial institutions showed the correlation
between their assets and pretax profit to be .86. At the same 0.5
significance level, can we conclude that there is positive correlation
in the populations?
 
#30 page 457
  The number of shares of Icom Inc., turned over during a month, and
the price at the end of the month, are listed in the following table.
Also given are the Y’ calues.
Turnover (thousands of share), X Actual Price, Y Estimated Price, Y’
4 $2 $2.7
1 1 0.6
5 4 3.4
3 2 2.0
2 1 1.3

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